Intel Core i7 8557U 's Advantages
Larger L3 cache size (8MB vs 4MB)
Lower TDP (15W vs 25W)
AMD Ryzen 3 5300U 's Advantages
Released 1 years and 6 months late
Higher specification of memory (4266 vs 2400)
Larger memory bandwidth (51.2GB/s vs 37.5GB/s)
Higher base frequency (2.6GHz vs 1.7GHz)
More modern manufacturing process (7nm vs 14nm)